Format: https://www.debian.org/doc/packaging-manuals/copyright-format/1.0/ Upstream-Name: systemfit Upstream-Contact: Arne Henningsen Source: https://cran.r-project.org/package=systemfit Files: * Copyright: 2015-2018 Arne Henningsen and Jeff D. Hamann License: GPL-2+ Files: debian/* Copyright: 2019 Andreas Tille License: GPL-2+ License: GPL-2+ This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. . This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. . On Debian systems you can find the full text of the GNU General Public License version 2 at /usr/share/common-licenses/GPL-2.